US Bridges

SR 21 over A.G.R

Fair

Monroe County, Alabama · Frisco City · Structure no. 001762

Built
1938
87 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
243 ft
6 main spans
Daily traffic
5,070
2013 count
Owner
State
State Highway Agency

About this bridge

SR 21 over A.G.R is a concrete tee beam carrying SR 21 over A.G.R in Monroe County, Alabama. It was built in 1938, so it is 87 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,070 vehicles a day, roughly 5% of them trucks, projected to reach 6,323 by 2033. The structure is 243 ft (74.1 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 21
CrossesA.G.R
LocationFrisco City
RouteState Highway 21
CountyMonroe County
StateAlabama
Coordinates31.44034, -87.39318
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55.6 US tons
Inventory rating33.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length243 ft (74.1 m)
Longest span41 ft (12.6 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,070 (2013)
Projected traffic6,323 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 21 over A.G.R built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 21 over A.G.R in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does SR 21 over A.G.R carry?

About 5,070 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is SR 21 over A.G.R?

The structure is 243 ft (74.1 m) long with a longest span of 41 ft (12.6 m) and a deck 29 ft wide.

Who owns SR 21 over A.G.R?

It is owned by the State Highway Agency.